What is The Times Kakuro Book 2: 200 mathematical logic puzzles (The Times Puzzle Books) about?

Test your powers of logic with 200 number puzzles from The Times

Just like a mathematical crossword, these puzzles are ideal for fans of Su Doku who relish grappling with figures. Contains four levels of difficulty, combining arithmetic with an intersecting layout: Mild, Medium, Tricky and Tough.

Kakuro originated in the United States in the 1950s under the name of Cross Sums. A logic puzzle, the aim is to complete a grid using digits from 1 to 9, with the digits in each row/column adding up to the clue for that block. Its similar to Su Doku in the sense that digits cannot be repeated in a row/column.

Also known as: Croco Puzzle, Cross Sums, CrossSam, Kasan Kurosu, Kreuzsummenrtsel,Tashizan Cross, Zahlenschwede

Are you up to the challenge?